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git://git.gnupg.org/gnupg.git
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Remove cruft.
This commit is contained in:
Werner Koch
parent
91056b1976
commit
1e7b03ef25
@ -1,6 +1,12 @@
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2010-06-21 Werner Koch <wk@g10code.com>
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* protect-tool.c (export_p12_file, import_p12_cert_cb)
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(import_p12_file, sexp_to_kparms, store_private_key): Remove
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unused code.
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2010-06-18 Werner Koch <wk@g10code.com>
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* protect-tool.c (store_private_key, rsa_key_check):
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* protect-tool.c (store_private_key, rsa_key_check): Remove.
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* command.c (cmd_export_key): New.
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@ -62,7 +62,6 @@ enum cmd_and_opt_values
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oS2Kcalibration,
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oCanonical,
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oP12Charset,
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oStore,
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oForce,
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oHaveCert,
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@ -96,13 +95,10 @@ static int opt_have_cert;
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static const char *opt_passphrase;
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static char *opt_prompt;
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static int opt_status_msg;
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static const char *opt_p12_charset;
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static const char *opt_agent_program;
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static char *get_passphrase (int promptno);
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static void release_passphrase (char *pw);
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static int store_private_key (const unsigned char *grip,
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const void *buffer, size_t length, int force);
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static ARGPARSE_OPTS opts[] = {
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@ -122,8 +118,6 @@ static ARGPARSE_OPTS opts[] = {
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ARGPARSE_s_n (oCanonical, "canonical", "write output in canonical format"),
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ARGPARSE_s_s (oPassphrase, "passphrase", "|STRING|use passphrase STRING"),
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ARGPARSE_s_s (oP12Charset,"p12-charset",
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"|NAME|set charset for a new PKCS#12 passphrase to NAME"),
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ARGPARSE_s_n (oHaveCert, "have-cert",
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"certificate to export provided on STDIN"),
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ARGPARSE_s_n (oStore, "store",
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@ -545,385 +539,6 @@ show_keygrip (const char *fname)
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#if 0
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/* A callback used by p12_parse to return a certificate. */
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static void
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import_p12_cert_cb (void *opaque, const unsigned char *cert, size_t certlen)
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{
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struct b64state state;
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gpg_error_t err, err2;
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(void)opaque;
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err = b64enc_start (&state, stdout, "CERTIFICATE");
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if (!err)
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err = b64enc_write (&state, cert, certlen);
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err2 = b64enc_finish (&state);
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if (!err)
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err = err2;
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if (err)
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log_error ("error writing armored certificate: %s\n", gpg_strerror (err));
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}
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static void
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import_p12_file (const char *fname)
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{
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char *buf;
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unsigned char *result;
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size_t buflen, resultlen, buf_off;
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int i;
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int rc;
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gcry_mpi_t *kparms;
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struct rsa_secret_key_s sk;
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gcry_sexp_t s_key;
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unsigned char *key;
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unsigned char grip[20];
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char *pw;
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/* fixme: we should release some stuff on error */
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buf = read_file (fname, &buflen);
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if (!buf)
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return;
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/* GnuPG 2.0.4 accidently created binary P12 files with the string
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"The passphrase is %s encoded.\n\n" prepended to the ASN.1 data.
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We fix that here. */
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if (buflen > 29 && !memcmp (buf, "The passphrase is ", 18))
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{
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for (buf_off=18; buf_off < buflen && buf[buf_off] != '\n'; buf_off++)
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;
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buf_off++;
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if (buf_off < buflen && buf[buf_off] == '\n')
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buf_off++;
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}
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else
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buf_off = 0;
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kparms = p12_parse ((unsigned char*)buf+buf_off, buflen-buf_off,
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(pw=get_passphrase (2)),
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import_p12_cert_cb, NULL);
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release_passphrase (pw);
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xfree (buf);
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if (!kparms)
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{
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log_error ("error parsing or decrypting the PKCS-12 file\n");
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return;
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}
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for (i=0; kparms[i]; i++)
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;
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if (i != 8)
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{
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log_error ("invalid structure of private key\n");
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return;
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}
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/* print_mpi (" n", kparms[0]); */
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/* print_mpi (" e", kparms[1]); */
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/* print_mpi (" d", kparms[2]); */
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/* print_mpi (" p", kparms[3]); */
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/* print_mpi (" q", kparms[4]); */
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/* print_mpi ("dmp1", kparms[5]); */
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/* print_mpi ("dmq1", kparms[6]); */
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/* print_mpi (" u", kparms[7]); */
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sk.n = kparms[0];
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sk.e = kparms[1];
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sk.d = kparms[2];
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sk.q = kparms[3];
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sk.p = kparms[4];
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sk.u = kparms[7];
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if (rsa_key_check (&sk))
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return;
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/* print_mpi (" n", sk.n); */
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/* print_mpi (" e", sk.e); */
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/* print_mpi (" d", sk.d); */
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/* print_mpi (" p", sk.p); */
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/* print_mpi (" q", sk.q); */
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/* print_mpi (" u", sk.u); */
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/* Create an S-expresion from the parameters. */
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rc = gcry_sexp_build (&s_key, NULL,
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"(private-key(rsa(n%m)(e%m)(d%m)(p%m)(q%m)(u%m)))",
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sk.n, sk.e, sk.d, sk.p, sk.q, sk.u, NULL);
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for (i=0; i < 8; i++)
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gcry_mpi_release (kparms[i]);
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gcry_free (kparms);
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if (rc)
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{
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log_error ("failed to created S-expression from key: %s\n",
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gpg_strerror (rc));
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return;
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}
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/* Compute the keygrip. */
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if (!gcry_pk_get_keygrip (s_key, grip))
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{
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log_error ("can't calculate keygrip\n");
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return;
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}
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log_info ("keygrip: ");
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for (i=0; i < 20; i++)
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log_printf ("%02X", grip[i]);
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log_printf ("\n");
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/* Convert to canonical encoding. */
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buflen = gcry_sexp_sprint (s_key, GCRYSEXP_FMT_CANON, NULL, 0);
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assert (buflen);
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key = gcry_xmalloc_secure (buflen);
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buflen = gcry_sexp_sprint (s_key, GCRYSEXP_FMT_CANON, key, buflen);
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assert (buflen);
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gcry_sexp_release (s_key);
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pw = get_passphrase (4);
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rc = agent_protect (key, pw, &result, &resultlen);
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release_passphrase (pw);
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xfree (key);
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if (rc)
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{
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log_error ("protecting the key failed: %s\n", gpg_strerror (rc));
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return;
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}
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if (opt_armor)
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{
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char *p = make_advanced (result, resultlen);
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xfree (result);
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if (!p)
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return;
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result = (unsigned char*)p;
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resultlen = strlen (p);
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}
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if (opt_store)
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store_private_key (grip, result, resultlen, opt_force);
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else
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fwrite (result, resultlen, 1, stdout);
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xfree (result);
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}
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#endif
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#if 0
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static gcry_mpi_t *
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sexp_to_kparms (gcry_sexp_t sexp)
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{
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gcry_sexp_t list, l2;
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const char *name;
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const char *s;
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size_t n;
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int i, idx;
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const char *elems;
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gcry_mpi_t *array;
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list = gcry_sexp_find_token (sexp, "private-key", 0 );
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if(!list)
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return NULL;
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l2 = gcry_sexp_cadr (list);
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gcry_sexp_release (list);
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list = l2;
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name = gcry_sexp_nth_data (list, 0, &n);
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if(!name || n != 3 || memcmp (name, "rsa", 3))
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{
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gcry_sexp_release (list);
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return NULL;
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}
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/* Parameter names used with RSA. */
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elems = "nedpqu";
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array = xcalloc (strlen(elems) + 1, sizeof *array);
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for (idx=0, s=elems; *s; s++, idx++ )
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{
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l2 = gcry_sexp_find_token (list, s, 1);
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if (!l2)
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{
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for (i=0; i<idx; i++)
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gcry_mpi_release (array[i]);
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xfree (array);
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gcry_sexp_release (list);
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return NULL; /* required parameter not found */
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}
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array[idx] = gcry_sexp_nth_mpi (l2, 1, GCRYMPI_FMT_USG);
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gcry_sexp_release (l2);
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if (!array[idx])
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{
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for (i=0; i<idx; i++)
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gcry_mpi_release (array[i]);
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xfree (array);
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gcry_sexp_release (list);
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return NULL; /* required parameter is invalid */
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}
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}
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gcry_sexp_release (list);
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return array;
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}
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#endif
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/* Check whether STRING is a KEYGRIP, i.e has the correct length and
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does only consist of uppercase hex characters. */
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/* static int */
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/* is_keygrip (const char *string) */
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/* { */
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/* int i; */
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/* for(i=0; string[i] && i < 41; i++) */
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/* if (!strchr("01234567890ABCDEF", string[i])) */
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/* return 0; */
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/* return i == 40; */
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/* } */
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#if 0
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static void
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export_p12_file (const char *fname)
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{
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int rc;
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gcry_mpi_t kparms[9], *kp;
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unsigned char *key;
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size_t keylen;
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gcry_sexp_t private;
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struct rsa_secret_key_s sk;
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int i;
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unsigned char *cert = NULL;
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size_t certlen = 0;
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int keytype;
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size_t keylen_for_wipe = 0;
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char *pw;
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if ( is_keygrip (fname) )
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{
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char hexgrip[40+4+1];
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char *p;
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assert (strlen(fname) == 40);
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strcpy (stpcpy (hexgrip, fname), ".key");
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p = make_filename (opt_homedir, GNUPG_PRIVATE_KEYS_DIR, hexgrip, NULL);
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key = read_key (p);
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xfree (p);
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}
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else
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key = read_key (fname);
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if (!key)
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return;
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keytype = agent_private_key_type (key);
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if (keytype == PRIVATE_KEY_PROTECTED)
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{
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unsigned char *tmpkey;
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size_t tmplen;
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rc = agent_unprotect (key, (pw=get_passphrase (1)),
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NULL, &tmpkey, &tmplen);
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release_passphrase (pw);
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if (rc)
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{
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if (opt_status_msg && gpg_err_code (rc) == GPG_ERR_BAD_PASSPHRASE )
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log_info ("[PROTECT-TOOL:] bad-passphrase\n");
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log_error ("unprotecting key `%s' failed: %s\n",
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fname, gpg_strerror (rc));
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xfree (key);
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return;
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}
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xfree (key);
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key = tmpkey;
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keylen_for_wipe = tmplen;
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keytype = agent_private_key_type (key);
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}
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if (keytype == PRIVATE_KEY_SHADOWED)
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{
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log_error ("`%s' is a shadowed private key - can't export it\n", fname);
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wipememory (key, keylen_for_wipe);
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xfree (key);
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return;
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}
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else if (keytype != PRIVATE_KEY_CLEAR)
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{
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log_error ("\%s' is not a private key\n", fname);
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wipememory (key, keylen_for_wipe);
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xfree (key);
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return;
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}
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if (opt_have_cert)
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{
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cert = (unsigned char*)read_file ("-", &certlen);
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if (!cert)
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{
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wipememory (key, keylen_for_wipe);
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xfree (key);
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return;
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}
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}
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if (gcry_sexp_new (&private, key, 0, 0))
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{
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log_error ("gcry_sexp_new failed\n");
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wipememory (key, keylen_for_wipe);
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xfree (key);
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xfree (cert);
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return;
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}
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wipememory (key, keylen_for_wipe);
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xfree (key);
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kp = sexp_to_kparms (private);
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gcry_sexp_release (private);
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if (!kp)
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{
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log_error ("error converting key parameters\n");
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xfree (cert);
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return;
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}
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sk.n = kp[0];
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sk.e = kp[1];
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sk.d = kp[2];
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sk.p = kp[3];
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sk.q = kp[4];
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sk.u = kp[5];
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xfree (kp);
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kparms[0] = sk.n;
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kparms[1] = sk.e;
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kparms[2] = sk.d;
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kparms[3] = sk.q;
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kparms[4] = sk.p;
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kparms[5] = gcry_mpi_snew (0); /* compute d mod (p-1) */
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gcry_mpi_sub_ui (kparms[5], kparms[3], 1);
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gcry_mpi_mod (kparms[5], sk.d, kparms[5]);
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kparms[6] = gcry_mpi_snew (0); /* compute d mod (q-1) */
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gcry_mpi_sub_ui (kparms[6], kparms[4], 1);
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gcry_mpi_mod (kparms[6], sk.d, kparms[6]);
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kparms[7] = sk.u;
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kparms[8] = NULL;
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pw = get_passphrase (3);
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key = p12_build (kparms, cert, certlen, pw, opt_p12_charset, &keylen);
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release_passphrase (pw);
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xfree (cert);
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for (i=0; i < 8; i++)
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gcry_mpi_release (kparms[i]);
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if (!key)
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return;
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#ifdef HAVE_DOSISH_SYSTEM
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setmode ( fileno (stdout) , O_BINARY );
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#endif
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fwrite (key, keylen, 1, stdout);
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xfree (key);
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}
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#endif
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int
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@ -973,8 +588,6 @@ main (int argc, char **argv )
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case oShadow: cmd = oShadow; break;
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case oShowShadowInfo: cmd = oShowShadowInfo; break;
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case oShowKeygrip: cmd = oShowKeygrip; break;
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case oP12Charset: opt_p12_charset = pargs.r.ret_str; break;
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case oS2Kcalibration: cmd = oS2Kcalibration; break;
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case oPassphrase: opt_passphrase = pargs.r.ret_str; break;
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@ -1114,67 +727,3 @@ release_passphrase (char *pw)
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}
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}
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#if 0
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static int
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store_private_key (const unsigned char *grip,
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const void *buffer, size_t length, int force)
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{
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char *fname;
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estream_t fp;
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char hexgrip[40+4+1];
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bin2hex (grip, 20, hexgrip);
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strcpy (hexgrip+40, ".key");
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fname = make_filename (opt_homedir, GNUPG_PRIVATE_KEYS_DIR, hexgrip, NULL);
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if (force)
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fp = es_fopen (fname, "wb");
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else
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{
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if (!access (fname, F_OK))
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{
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if (opt_status_msg)
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log_info ("[PROTECT-TOOL:] secretkey-exists\n");
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if (opt_no_fail_on_exist)
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log_info ("secret key file `%s' already exists\n", fname);
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else
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log_error ("secret key file `%s' already exists\n", fname);
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xfree (fname);
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return opt_no_fail_on_exist? 0 : -1;
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}
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/* FWIW: Under Windows Vista the standard fopen in the msvcrt
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fails if the "x" GNU extension is used. */
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fp = es_fopen (fname, "wbx");
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}
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|
||||
if (!fp)
|
||||
{
|
||||
log_error ("can't create `%s': %s\n", fname, strerror (errno));
|
||||
xfree (fname);
|
||||
return -1;
|
||||
}
|
||||
|
||||
if (es_fwrite (buffer, length, 1, fp) != 1)
|
||||
{
|
||||
log_error ("error writing `%s': %s\n", fname, strerror (errno));
|
||||
es_fclose (fp);
|
||||
gnupg_remove (fname);
|
||||
xfree (fname);
|
||||
return -1;
|
||||
}
|
||||
if (es_fclose (fp))
|
||||
{
|
||||
log_error ("error closing `%s': %s\n", fname, strerror (errno));
|
||||
gnupg_remove (fname);
|
||||
xfree (fname);
|
||||
return -1;
|
||||
}
|
||||
log_info ("secret key stored as `%s'\n", fname);
|
||||
|
||||
if (opt_status_msg)
|
||||
log_info ("[PROTECT-TOOL:] secretkey-stored\n");
|
||||
|
||||
xfree (fname);
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user